package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

/**
 * @author houChen
 * @date 2021/9/18 6:53
 * @Description:
 */
@Slf4j
//@RestControllerAdvice
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验异常{}，异常类型{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        HashMap<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            map.put(fieldError.getField(),fieldError.getDefaultMessage());
        } );
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data",map);
    }

    /**
     * @Description:  统一捕获其他非参数校验的异常
     * @param
     * @author  houChen
     * @date  2021/9/18 7:38
     */
    @ExceptionHandler(value = Exception.class)
    public R handleException(Throwable e){
        log.error("数据校验异常{}，异常类型{}",e.getMessage(),e.getClass());
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(),BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}